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https://issues.apache.org/jira/browse/HIVE-18721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16366100#comment-16366100
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Deepak Jaiswal commented on HIVE-18721:
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Test failures are unrelated.
> Bucket Map Join : Handle empty buckets
> --------------------------------------
>
> Key: HIVE-18721
> URL: https://issues.apache.org/jira/browse/HIVE-18721
> Project: Hive
> Issue Type: Bug
> Reporter: Deepak Jaiswal
> Assignee: Deepak Jaiswal
> Priority: Major
> Attachments: HIVE-18721.1.patch
>
>
> Bucket Map Join needs to bluff Tez by sending empty task list for
> DataMovementEvent for those buckets for which there is no data.
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